The teenager, who is months away from celebrating her 20th birthday, could barely contain her modesty in the tiny pale blue skirt and looked uncomfortable as she tugged on it to stop it from riding up while she sat down.

She teamed the daring outfit with a low-cut top, heavy studded boots and her long hair was pulled back into a loose bun.

The visit is just days before the new issue of Cosmopolitan magazine in which she can be seen in a pink, sleeveless dress with a plunging neckline by U.S designer Nanette Lepore.

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